skuld[.]exe | Triage

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General

Target

skuld.exe
Size

5.3MB
MD5

84121cbd48a55f323382838dd41fa2e4
SHA1

5d82072d7ab35ba21b9c7ce6bbf0e46cd1052048
SHA256

b339f165f99a460dd9c268c1580f397d3ec48835122ca83d2f3fa2391f83f46a
SHA512

b3f42b2b68a9c688e54a72eae617ea8ebdedc1e991a3aaacee70cabaa4f3757effef1b5461afa986bc741d8e0fe7c64e42174eb278c139d1bf9f58590f466fd1
SSDEEP

49152:hNbo8mssCrj0yo9hhdT6AHZpVCslYAhIM2qTSEm2ju5EMacQxfky/Jgw7FhWohK6:3dwhhdJ5oAhq08EMacQxdgELWoU6

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
skuld.exe

Files

skuld.exe
.exe windows:6 windows x64 arch:x64

c2d457ad8ac36fc9f18d45bffcd450c2

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

WriteFile
WriteConsoleW
WerSetFlags
WerGetFlags
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
RtlVirtualUnwind
RtlLookupFunctionEntry
ResumeThread
RaiseFailFastException
PostQueuedCompletionStatus
LoadLibraryW
LoadLibraryExW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetErrorMode
GetEnvironmentStringsW
GetCurrentThreadId
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
AddVectoredContinueHandler

Sections

.text
Size: 2.4MB - Virtual size: 2.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2.5MB - Virtual size: 2.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 339KB - Virtual size: 905KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 56KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 512B - Virtual size: 180B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 45KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 512B - Virtual size: 4B

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c2d457ad8ac36fc9f18d45bffcd450c2

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 2.4MB - Virtual size: 2.4MB

.rdata Size: 2.5MB - Virtual size: 2.5MB

.data Size: 339KB - Virtual size: 905KB

.pdata Size: 56KB - Virtual size: 56KB

.xdata Size: 512B - Virtual size: 180B

.idata Size: 1KB - Virtual size: 1KB

.reloc Size: 45KB - Virtual size: 45KB

.symtab Size: 512B - Virtual size: 4B

.text
Size: 2.4MB - Virtual size: 2.4MB

.rdata
Size: 2.5MB - Virtual size: 2.5MB

.data
Size: 339KB - Virtual size: 905KB

.pdata
Size: 56KB - Virtual size: 56KB

.xdata
Size: 512B - Virtual size: 180B

.idata
Size: 1KB - Virtual size: 1KB

.reloc
Size: 45KB - Virtual size: 45KB

.symtab
Size: 512B - Virtual size: 4B